1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/error-codes/E0617.rs b/src/test/ui/error-codes/E0617.rs
new file mode 100644
index 000000000..b71ba0ed8
--- /dev/null
+++ b/src/test/ui/error-codes/E0617.rs
@@ -0,0 +1,26 @@
+extern "C" {
+    fn printf(c: *const i8, ...);
+}
+
+fn main() {
+    unsafe {
+        printf(::std::ptr::null(), 0f32);
+        //~^ ERROR can't pass `f32` to variadic function
+        //~| HELP cast the value to `c_double`
+        printf(::std::ptr::null(), 0i8);
+        //~^ ERROR can't pass `i8` to variadic function
+        //~| HELP cast the value to `c_int`
+        printf(::std::ptr::null(), 0i16);
+        //~^ ERROR can't pass `i16` to variadic function
+        //~| HELP cast the value to `c_int`
+        printf(::std::ptr::null(), 0u8);
+        //~^ ERROR can't pass `u8` to variadic function
+        //~| HELP cast the value to `c_uint`
+        printf(::std::ptr::null(), 0u16);
+        //~^ ERROR can't pass `u16` to variadic function
+        //~| HELP cast the value to `c_uint`
+        printf(::std::ptr::null(), printf);
+        //~^ ERROR can't pass `unsafe extern "C" fn(*const i8, ...) {printf}` to variadic function
+        //~| HELP cast the value to `unsafe extern "C" fn(*const i8, ...)`
+    }
+}